1071564925 has 12 divisors (see below), whose sum is σ = 1329150420. Its totient is φ = 856987520.

The previous prime is 1071564919. The next prime is 1071564931. The reversal of 1071564925 is 5294651701.

It is an interprime number because it is at equal distance from previous prime (1071564919) and next prime (1071564931).

It can be written as a sum of positive squares in 6 ways, for example, as 196056004 + 875508921 = 14002^2 + 29589^2 .

It is not a de Polignac number, because 1071564925 - 2¹⁵ = 1071532157 is a prime.

It is a super-2 number, since 2×1071564925² = 2296502776980511250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138561 + ... + 146089.

It is an arithmetic number, because the mean of its divisors is an integer number (110762535).

Almost surely, 2^1071564925 is an apocalyptic number.

It is an amenable number.

1071564925 is a deficient number, since it is larger than the sum of its proper divisors (257585495).

1071564925 is an equidigital number, since it uses as much as digits as its factorization.

1071564925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13232 (or 13227 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 1071564925 is about 32734.7663043438. The cubic root of 1071564925 is about 1023.3075142530.

The spelling of 1071564925 in words is "one billion, seventy-one million, five hundred sixty-four thousand, nine hundred twenty-five".